# 1.1 - Statistics: The Field and the Numbers STA 1013...

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1 Statistics: The Field and the Numbers STA 1013 Section 1.1 Statistics as a Field • Statistics is the science of collecting, organizing, and interpreting data.

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2 Statistics as Numbers • Statistics are the data that describe or summarize something. – What that something is, we will get to shortly. Population • The entire group of individuals about which we want to get information. • Often, it is too time-consuming or expensive to obtain data for the entire population. • How do we get around these constraints?
3 Sample • Part of the population from which we actually collect information • Use this information to make inferences about the population. How do we describe samples? • First, we collect raw data. – The actual measurements or observations. • We consolidate or summarize the raw data to describe the various characteristics of the sample. – These numerical summaries are statistics.

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4 How do we describe populations? • We use our statistics to make
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## This note was uploaded on 11/21/2010 for the course STA STA 1013 taught by Professor Dr.anujsrivastava during the Fall '10 term at FSU.

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1.1 - Statistics: The Field and the Numbers STA 1013...

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